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Brass Breather Vents

Protect Breather and Relief Ports with Compact Brass Vents

Brass Breather Vents are used to allow atmospheric breathing while helping keep debris away from compatible ports. Their brass breather-vent construction makes them a practical accessory for reducing noise or managing exhaust behavior in pneumatic systems.

The source category identifies pneumatic valves, relief ports and associated compressed-air equipment. Correct port size and adequate exhaust capacity are important so the silencer or vent does not create excessive back pressure.

Download Muffler & Silencer Datasheet

Why Use This Exhaust Component?

  • Helps manage pneumatic exhaust at the point of discharge
  • Compact threaded installation
  • Useful on valves, manifolds and other compressed-air equipment
  • Can improve machine noise control and exhaust management
  • Should be sized to avoid excessive exhaust restriction

Common Applications

  • Pneumatic valve exhaust ports
  • Cylinder and actuator exhaust circuits
  • Valve manifolds
  • Vacuum Venturi exhaust
  • Air preparation and relief ports
  • Industrial automation machinery

Frequently Asked Questions

What is this exhaust component used for?

It is used to allow atmospheric breathing while helping keep debris away from compatible ports.

Where is it installed?

It is normally installed in a compatible pneumatic exhaust, breather or relief port.

Can a silencer affect actuator speed?

Yes. Any exhaust restriction can influence pneumatic flow. Throttle-style models intentionally use this effect for speed adjustment.

How do I choose the correct port size?

Match the thread size and thread type to the valve or equipment exhaust port.

Can silencers create back pressure?

Yes. An undersized or contaminated silencer can restrict exhaust flow and increase back pressure.

When should a silencer be replaced?

Replace it if it becomes damaged, contaminated or sufficiently restricted that machine performance is affected.

Are these components suitable for vacuum generators?

Some models in this category family are used on vacuum Venturi exhausts; confirm the exact product description and port size.

Why use an exhaust silencer?

It helps reduce the sharp noise created when compressed air discharges rapidly to atmosphere.

BSLM-M5
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10-32UNF Brass Breather.M5 (10-32UNF) ConnectionBrass bodySintered bronze silencer elementMaximum pr..
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$1.26
BSLM-N1
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1/8NPT Brass Breather.1/8NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
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$1.29
BSLM-N2
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1/4NPT Brass Breather.1/4NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
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$1.97
BSLM-N3
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3/8NPT Brass Breather.3/8NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
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$2.74
BSLM-N4
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1/2NPT Brass Breather.1/2NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
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$3.91
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